Home / 613,289,990.10-919,934,985.15-552,067,986.90

Finding the Fourth Proportional to 613,289,990.10, 919,934,985.15 and 552,067,986.90

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Solution

The fourth proportional to 613,289,990.10, 919,934,985.15 and 552,067,986.90 is: 828,101,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,289,990.10 : 919,934,985.15 = 552,067,986.90 : x
  2. Step 2: Convert to fraction form
    613,289,990.10/919,934,985.15 = 552,067,986.90/x
  3. Step 3: Cross multiply
    613,289,990.10x = 919,934,985.15 × 552,067,986.90
  4. Step 4: Simplify right side
    613,289,990.10x = 507,866,655,330,641,856
  5. Step 5: Solve for x
    x = 507,866,655,330,641,856/613,289,990.10
  6. Step 6: Final answer
    x = 828,101,980.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.